PBR crashes testbuild 2.78 ver2 #49175
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Reference: blender/blender#49175
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System Information
Windows 10, 64 bits i7 6500 ( 2 cores, 4 threads).
renderer: 'Quadro M500M/PCIe/SSE2'
vendor: 'NVIDIA Corporation'
version: '4.5.0 NVIDIA 368.39'
Blender Version
http://download.blender.org/release/Blender2.78/blender-2.78-testbuild2-windows64.zip
version: 2.77 (sub 3), branch: master, commit date: 2016-08-23 14:48, hash:
7dc328e, type:build date: Tue 08/23/2016, 11:50 AM
platform: Windows
binary path: 'C:\Users\Hoxolotl\Documents\blender-2.77.0-git.7dc328e-Win64\blender.exe'
build cflags: /W3 /w34062 /wd4018 /wd4146 /wd4065 /wd4127 /wd4181 /wd4200 /wd4244 /wd4267 /wd4305 /wd4800 /we4013 /we4431 /DWIN32 /D_WINDOWS /W3 /nologo /J /Gd /MP /openmp
build cxxflags: /W3 /w34062 /wd4018 /wd4146 /wd4065 /wd4127 /wd4181 /wd4200 /wd4244 /wd4267 /wd4305 /wd4800 /we4013 /we4431 /DWIN32 /D_WINDOWS /W3 /GR /EHsc /nologo /J /Gd /MP /EHsc /openmp
build linkflags: /MACHINE:X64 /OPT:NOREF /SUBSYSTEM:CONSOLE /STACK:2097152 /INCREMENTAL:NO /NODEFAULTLIB:msvcrt.lib /NODEFAULTLIB:msvcmrt.lib /NODEFAULTLIB:msvcurt.lib /NODEFAULTLIB:msvcrtd.lib /ignore:4049 /ignore:4217 /ignore:4221
build system: CMake
Short description of error
On opening http://www.cgmasters.net/tutorials/PBR/PBR_RealtimeInternal.blend blender crashes. It's supposed to have something with pbrs in it. when trying to debug in win10 visual studio crashes to, so no error/debug logs could be made.
Changed status to: 'Open'
Added subscriber: @hoxolotl
Added subscriber: @lichtwerk
cannot confirm here on linux (nvidia 970m with 367.35 drivers)
both current master and blender-2.78-testbuild2-linux-glibc219-x86_64 are not crashing here with specified file
Added subscriber: @VukGardasevic
The file doesn't crash for me too on Win7, r7 360 with
fef0cd8build.However, there's a node related memory leak on quit.
node_leak_on_exit.txt
Added subscribers: @AlexanderRomanov, @LazyDodo
I can reproduce on windows if I enable the page heap (which means valgrind should be able to locate this one as well)
there's a bogus pointer in shi->rgb at
https://git.blender.org/gitweb/gitweb.cgi/blender.git/blob/HEAD:/source/blender/gpu/intern/gpu_material.c#l1755
Alexander can you take a peek and see what's up?
I will be able to check this on monday.
I managed to have the debugger not crash on me, using the nightly build: blender-2.77.0-git.a5261e0-windows64
"Unhandled exception at 0x00007FFBC1B873F3 (ntdll.dll) in blender.exe: 0xC0000374: A heap has been corrupted (parameters: 0x00007FFBC1BDF6B0)."
Managed to reproduce the crash on Windows and heap-use-after-free on Linux with asan. Will try to figure out what's happening.
Added subscriber: @MikeErwin
Added subscriber: @Sergey
This is caused by
fe44eacf7, so assigning to @a.romanov.This issue was referenced by
475b43ad4aHey guys, could you test P389, please?
Added subscriber: @brecht
a.romanov, works fine here. Think @brecht's solution is more clear, but am not really that expert of
gpu/code.I agree.
Feel free to commit it, otherwise I do it this evening.
Changed status from 'Open' to: 'Resolved'